The Daily Mail — The 'I Kissed a Girl' singer accessorised her legwear with a bright 80s-style satin blazer. more info

AngryApe — After reports say the two have 'bonded' more info

Perez Hilton — Rihanna has a new friend. And that friend likes kissing girls and talking! RiRi has been hanging out lately with the lovely Miz Katy Perry. The two have reportedly been spending time together and going out for nights on the town. Are Perry and RiRi ... more info

Perez Hilton — A Perezicious reader e-mailed us this morning to let us know of a last minute lyric change in Katy Perry's NYC concerts this week! Perry swapped out the lyrics in You're So Gay to take a dig at fellow musician John Mayer! Says Bethany: I was at Kat... more info

MTV.com News — 'She's a really cool chick,' Perry says of 'Umbrella' singer.By James Montgomery, with reporting by Kim Stolz Katy Perry Photo: MTV News Earlier this month, tabloids began reporting that Katy Perry and Rihanna had become "inseparable" foll... more info

VH1 News — Katy Perry says she's been spending time with Rihanna, calling her one of the "cool chicks in my life." more info

The Daily Mail — Less of your cheek! Katy Perry flashes her control pants while shopping in New York more info

Perez Hilton — CLICK HERE to watch an exclusive preview of Katy Perry's brand spankin' new music video for Waking Up In Vegas! It's the first song of hers we ever heard. We posted it over two years ago. And now…we've come to this! It's. So. Damn. Good. Ch-ch-chec... more info

411 Mania — British DJ talks about Katy's plans... more info

EXCLUSIVE: CALVIN Harris on snubbing Lady GaGa, Katy Perry and working with Jacko more info